Easily the most boring class was History of Magic, which was the onlyone taught by a ghost. Professor Binns had been very oldindeed when he had fallen asleep in front of the staff room fire and gotup next morning to teach, leaving his body behind him. Binns droned onand on while they scribbled down names and dates, and got Emetic theEvil and Uric the Oddball mixed up.Professor Flitwick, the Charms teacher, was a tiny little wizard who hadto stand on a pile of books to see over his desk. At the start of theirfirst class he took the roll call, and when he reached Harry's name hegave an excited squeak and toppled out of sight.Professor McGonagall was again different. Harry had been quite right tothink she wasn't a teacher to cross. Strict and clever, she gave them atalking-to the moment they sat down in her first class."Transfiguration is some of the most complex and dangerous magic youwill learn at Hogwarts," she said. "Anyone messing around in my classwill leave and not come back. You have been warned."Then she changed her desk into a pig and back again. They were all veryimpressed and couldn't wait to get started, but soon realized they